Debugging is not supported under current trust level settings.

If you're attempting to debug a web application/service and you encounter the following error:

Debugging is not supported under current trust level settings.

What can you do to resolve it? Simply increase the trust level by placing the following line (in XML format) in the web.config file of the application:

trust level="Full" originUrl=""

This line should be inserted inside the system.web tags. This will increase the trust level of the app and allow interactive debugging.